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» On the Performance of Selection Relaying
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SIGMOD
2006
ACM
194views Database» more  SIGMOD 2006»
16 years 6 months ago
Graph-based synopses for relational selectivity estimation
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...
Joshua Spiegel, Neoklis Polyzotis
VLDB
1994
ACM
114views Database» more  VLDB 1994»
15 years 10 months ago
On Index Selection Schemes for Nested Object Hierarchies
In this paper we address the problem of devising a set of indexes for a nested object hierarchy in an object-oriented database to improve the overall system performance. It is not...
Sudarshan S. Chawathe, Ming-Syan Chen, Philip S. Y...
GECCO
2010
Springer
158views Optimization» more  GECCO 2010»
15 years 8 months ago
Investigating the impact of sequential selection in the (1, 4)-CMA-ES on the noisy BBOB-2010 testbed
Sequential selection, introduced for Evolution Strategies (ESs) with the aim of accelerating their convergence, consists in performing the evaluations of the different offspring...
Anne Auger, Dimo Brockhoff, Nikolaus Hansen
GECCO
2010
Springer
135views Optimization» more  GECCO 2010»
15 years 8 months ago
Investigating the impact of sequential selection in the (1, 2)-CMA-ES on the noisy BBOB-2010 testbed
Sequential selection was introduced for Evolution Strategies (ESs) with the aim of accelerating their convergence— performing the evaluations of the different offspring sequen...
Anne Auger, Dimo Brockhoff, Nikolaus Hansen
CIBCB
2006
IEEE
15 years 8 months ago
A New Hybrid Approach for Unsupervised Gene Selection
In recent years, unsupervised gene (feature) selection has become an integral part of microarray analysis because of the large number of genes and complexity in biological systems....
Young Bun Kim, Jean Gao